* {
    margin: 0;
    padding: 0;
    font-family: "微软雅黑";
}

body {
    background:white;
    color: black;
    min-width: 380px;
}

a:hover {
    text-decoration: underline;
}

body h1,h2,h3,h4,h5,h6 {
    color: black;
    margin-top: 40px;
    margin-bottom: 20px;
}

.header {
    width: 100%;
    background: hsl(20, 40%, 90%);
    background-image:
        linear-gradient(90deg, #fb3 10px, transparent 0),
        linear-gradient(90deg, #ab4 20px, transparent 0),
        linear-gradient(90deg, #655 20px, transparent 0);
    background-size: 80px 100%, 60px 100%, 40px 100%;
    border-bottom: solid 6px #fb3;
}

header, .content {
    width: 60%;
    margin: auto;
}


header {
    height: 250px;
    line-height: 250px;
    font-size: 20px;
    position: relative;
    margin-bottom: 20px;
    /*border-bottom: 2px solid black;*/
    color: white;
    text-shadow: 0 0 8px black;
}

header li {
    display: inline;
    text-decoration: none;
    padding: 0px 15px;
}

header li a {
    text-decoration: none;
    color: white;
}

header .logo {
    float: left;
    padding-left: 20px;
    font-size: 50px;
    font-weight: bold;
    z-index: 1;
}

header nav {
    position: absolute;
    right: 20px;
    margin: 0;
}

.logo {
    margin-right: 300px;
}

.logo a {
    color: white;
    text-decoration: none;
}

@media screen and (max-width: 1000px) {
    header nav {
        position: absolute;
        line-height: 0;
        top: 190px;
        left: 5px;
    }
}

.logo a:hover {
    text-decoration: none;
    font-style: normal;
}

.article-list {
    min-height: 900px;
    margin-top: 70px;
}

.article-list li{
    padding-left: 30px;
    list-style: none;
    font-size: 20px;
    margin: 1.5em 0px;
}
.article-list li span {
    padding-right: 30px;
    display: block;
}

.article-list li>span {
    font-size: 15px;
    color: grey;
}

.article-list a{
    text-decoration: none;
    color: black;
    font-size: 30px;
    transition: color 0.5s ease;
}

.article-list a:hover {
    text-decoration: underline;
    color: #ab4;
}

article {
    border-top: black dashed 2px; 
    margin-top: 15px;
    margin-bottom: 50px;
}

.info {
    margin-bottom: 5px;
}

code {
    color: black;
}

li {
    margin: 5px 0px;
}

.content {
    min-height: 600px;
}


footer {

    height: 50px;
    line-height: 50px;
    text-align: center;
    width: 60%;
    margin: auto;
    border-top: solid 2px black;
}

footer p {
    line-height: 1.5em;
    margin: 5px 0px;
}

@media only screen and (max-width: 640px) {
    header, .content, footer {
       width: 95%;
    }
}